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Side-by-side financial comparison of Boston Scientific (BSX) and FISERV INC (FISV). Click either name above to swap in a different company.

FISERV INC is the larger business by last-quarter revenue ($5.3B vs $5.2B, roughly 1.0× Boston Scientific). Boston Scientific runs the higher net margin — 25.7% vs 15.3%, a 10.4% gap on every dollar of revenue. On growth, Boston Scientific posted the faster year-over-year revenue change (11.6% vs 0.6%). Over the past eight quarters, Boston Scientific's revenue compounded faster (12.4% CAGR vs 4.0%).

Boston Scientific Corporation (BSC) is an American biotechnology and biomedical engineering firm and multinational manufacturer of medical devices used in interventional medical specialties, including interventional radiology, interventional cardiology, peripheral interventions, neuromodulation, neurovascular intervention, electrophysiology, cardiac surgery, vascular surgery, endoscopy, oncology, urology and gynecology.

Fiserv, Inc. is an American multinational financial technology company headquartered in Milwaukee, Wisconsin. The company processes debit and credit card transactions, loyalty programs, loans, electronic bill pay, wires and ACH transfers, check deposits, and ATM transactions on behalf of banking institutions. The company also produces debit and credit cards and point of sale terminals.

BSX vs FISV — Head-to-Head

Bigger by revenue
FISV
FISV
1.0× larger
FISV
$5.3B
$5.2B
BSX
Growing faster (revenue YoY)
BSX
BSX
+11.0% gap
BSX
11.6%
0.6%
FISV
Higher net margin
BSX
BSX
10.4% more per $
BSX
25.7%
15.3%
FISV
Faster 2-yr revenue CAGR
BSX
BSX
Annualised
BSX
12.4%
4.0%
FISV

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
BSX
BSX
FISV
FISV
Revenue
$5.2B
$5.3B
Net Profit
$1.3B
$811.0M
Gross Margin
69.5%
Operating Margin
24.4%
Net Margin
25.7%
15.3%
Revenue YoY
11.6%
0.6%
Net Profit YoY
99.0%
-13.5%
EPS (diluted)
$0.90
$1.51

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
BSX
BSX
FISV
FISV
Q1 26
$5.2B
Q4 25
$5.3B
$5.3B
Q3 25
$5.1B
$5.3B
Q2 25
$5.1B
$5.5B
Q1 25
$4.7B
$5.1B
Q4 24
$4.6B
$5.3B
Q3 24
$4.2B
$5.2B
Q2 24
$4.1B
$5.1B
Net Profit
BSX
BSX
FISV
FISV
Q1 26
$1.3B
Q4 25
$670.0M
$811.0M
Q3 25
$755.0M
$792.0M
Q2 25
$795.0M
$1.0B
Q1 25
$672.0M
$851.0M
Q4 24
$563.0M
$938.0M
Q3 24
$468.0M
$564.0M
Q2 24
$322.0M
$894.0M
Gross Margin
BSX
BSX
FISV
FISV
Q1 26
69.5%
Q4 25
69.6%
Q3 25
69.9%
Q2 25
67.7%
Q1 25
68.8%
Q4 24
67.8%
Q3 24
68.8%
Q2 24
69.2%
Operating Margin
BSX
BSX
FISV
FISV
Q1 26
Q4 25
15.6%
24.4%
Q3 25
20.7%
27.3%
Q2 25
16.2%
30.7%
Q1 25
19.8%
27.2%
Q4 24
14.8%
31.8%
Q3 24
17.4%
30.7%
Q2 24
12.6%
28.0%
Net Margin
BSX
BSX
FISV
FISV
Q1 26
25.7%
Q4 25
12.7%
15.3%
Q3 25
14.9%
15.0%
Q2 25
15.7%
18.6%
Q1 25
14.4%
16.6%
Q4 24
12.3%
17.9%
Q3 24
11.1%
10.8%
Q2 24
7.8%
17.5%
EPS (diluted)
BSX
BSX
FISV
FISV
Q1 26
$0.90
Q4 25
$0.45
$1.51
Q3 25
$0.51
$1.46
Q2 25
$0.53
$1.86
Q1 25
$0.45
$1.51
Q4 24
$0.38
$1.63
Q3 24
$0.32
$0.98
Q2 24
$0.22
$1.53

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
BSX
BSX
FISV
FISV
Cash + ST InvestmentsLiquidity on hand
$798.0M
Total DebtLower is stronger
$27.8B
Stockholders' EquityBook value
$25.8B
Total Assets
$80.1B
Debt / EquityLower = less leverage
1.08×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BSX
BSX
FISV
FISV
Q1 26
Q4 25
$2.0B
$798.0M
Q3 25
$1.3B
$1.1B
Q2 25
$534.0M
$999.0M
Q1 25
$725.0M
$1.2B
Q4 24
$414.0M
$1.2B
Q3 24
$2.5B
$1.2B
Q2 24
$2.9B
$1.2B
Total Debt
BSX
BSX
FISV
FISV
Q1 26
Q4 25
$11.1B
$27.8B
Q3 25
$11.1B
$28.9B
Q2 25
$11.1B
$28.1B
Q1 25
$10.5B
$27.0B
Q4 24
$9.0B
$23.7B
Q3 24
$9.2B
$24.1B
Q2 24
$9.0B
$24.4B
Stockholders' Equity
BSX
BSX
FISV
FISV
Q1 26
Q4 25
$24.2B
$25.8B
Q3 25
$23.4B
$25.1B
Q2 25
$22.4B
$25.2B
Q1 25
$22.2B
$25.9B
Q4 24
$21.8B
$27.1B
Q3 24
$20.7B
$27.8B
Q2 24
$20.4B
$28.2B
Total Assets
BSX
BSX
FISV
FISV
Q1 26
Q4 25
$43.7B
$80.1B
Q3 25
$42.7B
$79.4B
Q2 25
$41.6B
$81.5B
Q1 25
$40.1B
$80.4B
Q4 24
$39.4B
$77.2B
Q3 24
$38.1B
$79.8B
Q2 24
$37.1B
$93.4B
Debt / Equity
BSX
BSX
FISV
FISV
Q1 26
Q4 25
0.46×
1.08×
Q3 25
0.48×
1.15×
Q2 25
0.50×
1.11×
Q1 25
0.47×
1.04×
Q4 24
0.41×
0.88×
Q3 24
0.45×
0.87×
Q2 24
0.44×
0.87×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
BSX
BSX
FISV
FISV
Operating Cash FlowLast quarter
$1.9B
Free Cash FlowOCF − Capex
$1.5B
FCF MarginFCF / Revenue
28.4%
Capex IntensityCapex / Revenue
8.4%
Cash ConversionOCF / Net Profit
2.40×
TTM Free Cash FlowTrailing 4 quarters
$4.3B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BSX
BSX
FISV
FISV
Q1 26
Q4 25
$1.4B
$1.9B
Q3 25
$1.3B
$1.8B
Q2 25
$1.3B
$1.7B
Q1 25
$541.0M
$648.0M
Q4 24
$1.5B
$2.2B
Q3 24
$1.0B
$2.2B
Q2 24
$813.0M
$1.3B
Free Cash Flow
BSX
BSX
FISV
FISV
Q1 26
Q4 25
$1.0B
$1.5B
Q3 25
$1.2B
$1.3B
Q2 25
$1.1B
$1.2B
Q1 25
$354.0M
$313.0M
Q4 24
$1.2B
$1.8B
Q3 24
$823.0M
$1.8B
Q2 24
$658.0M
$993.0M
FCF Margin
BSX
BSX
FISV
FISV
Q1 26
Q4 25
19.2%
28.4%
Q3 25
22.9%
24.7%
Q2 25
22.3%
21.5%
Q1 25
7.6%
6.1%
Q4 24
25.8%
34.7%
Q3 24
19.6%
35.2%
Q2 24
16.0%
19.4%
Capex Intensity
BSX
BSX
FISV
FISV
Q1 26
Q4 25
6.6%
8.4%
Q3 25
3.6%
9.6%
Q2 25
3.1%
8.7%
Q1 25
4.0%
6.5%
Q4 24
6.1%
7.6%
Q3 24
4.3%
7.7%
Q2 24
3.8%
6.8%
Cash Conversion
BSX
BSX
FISV
FISV
Q1 26
Q4 25
2.04×
2.40×
Q3 25
1.78×
2.28×
Q2 25
1.62×
1.62×
Q1 25
0.81×
0.76×
Q4 24
2.59×
2.37×
Q3 24
2.14×
3.97×
Q2 24
2.52×
1.50×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

BSX
BSX

Cardiovascular$3.1B59%
Endoscopy$673.0M13%
Urology$633.0M12%
Other$386.0M7%
Neuromodulation$271.0M5%
LACA$155.0M3%

FISV
FISV

Small Business$1.7B32%
Products$1.0B19%
Digital Payments$960.0M18%
Issuing$792.0M15%
Enterprise$587.0M11%
Processing$265.0M5%
Affiliated Entity$18.0M0%

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